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I lost my old sync details please recover it for me.

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sharetunes23
sharetunes23
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Recently I installed firefox again after install new windows. But I lost my old sync details. How can I get my old sync details. I would like to get backup before 2 days ago. I want my old backup.

Recently I installed firefox again after install new windows. But I lost my old sync details. How can I get my old sync details. I would like to get backup before 2 days ago. I want my old backup.

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